Steam turbine

Steam turbine

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empty drink can, syringe with needle, thread, Bunsen burner, water, Make two pinholes at opposite sides of the empty drink can with the needle., Inject some water into the drink can through one of the pinholes., Suspend the drink can from a retort stand., Make sure that the thread used to suspend the drink can is attached to the retort stand at only one point., Observe what happens when you start heating the drink can., Why is the drink can spinning?, According to the law of conservation of momentum, the steam bursting out of the pinholes makes the drink can spin., jet of steam: small mass, high velocity, drink can: large mass, low velocity, jet of steam, Top view, Vs, ms, mdc, Vdc